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Nonlinear three stage least squares pooling of cross dection and average time series data
Jorgenson, Dale W., (1982)
Robust methods for arima models
Martin, R. Douglas, (1981)
Computer programs for spectral analysis of economic time series
Karreman, H. F., (1963)
On the effects of a nonstationary noise on ARMA models
Niemi, Hannu, (1983)
Kari Onni Uolevi Karhunen
Niemi, Hannu, (1993)
Subordination, rank, and determinism of multivariate stationary sequences
Niemi, Hannu, (1984)